Merge branch 'develop' of git://github.com/EllisLab/CodeIgniter into develop

1 files changed, 25 insertions, 5 deletions

diff --git a/user_guide_src/source/general/routing.rst b/user_guide_src/source/general/routing.rst
index 144f129e8..43c181669 100644
--- a/user_guide_src/source/general/routing.rst
+++ b/user_guide_src/source/general/routing.rst
@@ -29,7 +29,7 @@ Setting your own routing rules
 Routing rules are defined in your application/config/routes.php file. In
 it you'll see an array called $route that permits you to specify your
 own routing criteria. Routes can either be specified using wildcards or
-Regular Expressions
+Regular Expressions.
 
 Wildcards
 =========
@@ -47,7 +47,11 @@ segment of the URL, and a number is found in the second segment, the
 You can match literal values or you can use two wildcard types:
 
 **(:num)** will match a segment containing only numbers.
-**(:any)** will match a segment containing any character.
+**(:any)** will match a segment containing any character (except for '/', which is the segment delimiter).
+
+.. note:: Wildcards are actually aliases for regular expressions, with
+	**:any** being translated to **[^/]+** and **:num** to **[0-9]+**,
+	respectively.
 
 .. note:: Routes will run in the order they are defined. Higher routes
 	will always take precedence over lower ones.
@@ -104,12 +108,28 @@ rules. Any valid regular expression is allowed, as are back-references.
 
 A typical RegEx route might look something like this::
 
-	$route['products/([a-z]+)/(\d+)'] = "$1/id_$2";
+	$route['products/([a-z]+)/(\d+)'] = '$1/id_$2';
 
 In the above example, a URI similar to products/shirts/123 would instead
-call the shirts controller class and the id_123 function.
+call the shirts controller class and the id_123 method.
+
+With regular expressions, you can also catch a segment containing a
+forward slash ('/'), which would usually represent the delimiter between
+multiple segments.
+For example, if a user accesses a password protected area of your web
+application and you wish to be able to redirect them back to the same
+page after they log in, you may find this example useful::
+
+	$route['login/(.+)'] = 'auth/login/$1';
+
+That will call the auth controller class and its ``login()`` method,
+passing everything contained in the URI after *login/* as a parameter.
+
+For those of you who don't know regular expressions and want to learn
+more about them, `regular-expressions.info <http://www.regular-expressions.info/>`
+might be a good starting point.
 
-You can also mix and match wildcards with regular expressions.
+..note:: You can also mix and match wildcards with regular expressions.
 
 Callbacks
 =========